The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
May. 21, 2013
Filed:
Aug. 08, 2005
Applicants:
Jan Cervenka, Oslo, NO;
Khalid Hussain, Oslo, NO;
Inventors:
Jan Cervenka, Oslo, NO;
Khalid Hussain, Oslo, NO;
Assignee:
GE Healthcare AS, Oslo, NO;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C07C 233/65 (2006.01);
U.S. Cl.
CPC ...
Abstract
A process for the manufacture of iodixanol by performing a purification process of the crude product in a solvent comprising 1-methoxy-2-propanol. The crude product may be obtained in aqueous solution from dimerization of 5-acetamido-N,N'-bis(2,3-dihydroxypropyl)-2,4,6-triiodo-isophthalamide ('Compound A').